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Definition of Quellung reaction
1. Noun. The swelling of the capsule surrounding a microorganism after reaction with an antibody; the basis of certain tests for identifying microorganisms. "Pneumococcus quellung"
Medical Definition of Quellung reaction
1. Swelling of the capsule surrounding a bacterium as a result of interaction with anticapsular antibody, consequently the capsule becomes more refractile and conspicuous. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Quellung Reaction
Literary usage of Quellung reaction
Below you will find example usage of this term as found in modern and/or classical literature:
1. Emerging Infectious Diseases: Consensus on Needed Laboratory Capacity Could by Helene Toiv, Cheryl Williams (1999)
"6 Quellung reaction 4. _l_ Nucleic acid probes for culture ID 5. .19 Susceptibility
testing (indicate number of drugs) 6. ..."
2. Manual of Microbiologic Monitoring of Laboratory Animals by Kimberly Sue Waggie (1994)
"If necessary, serological typing of the organism is performed by the Quellung
reaction or agglutination test with specific antisera. ..."
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